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/*
* Copyright (c) 2016 Cisco and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.honeycomb.tutorial.init;
import io.fd.honeycomb.data.init.AbstractDataTreeConverter;
import com.google.inject.Inject;
import com.google.inject.name.Named;
import javax.annotation.Nonnull;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.sample.plugin.rev160918.SamplePlugin;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.sample.plugin.rev160918.SamplePluginBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.sample.plugin.rev160918.SamplePluginState;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
/**
* Initialize configuration data based on operational data.
* <p/>
* Very useful when a plugin is initiated but the underlying layer already contains some operation state.
* Deriving the configuration from existing operational state enables reconciliation in case when Honeycomb's persistence
* is not available to do the work for us.
*/
public final class ConfigDataInitializer extends AbstractDataTreeConverter<SamplePluginState, SamplePlugin> {
@Inject
public ConfigDataInitializer(@Named("honeycomb-initializer") @Nonnull final DataBroker bindingDataBroker) {
super(bindingDataBroker, InstanceIdentifier.create(SamplePluginState.class), InstanceIdentifier.create(SamplePlugin.class));
}
@Override
public SamplePlugin convert(final SamplePluginState operationalData) {
// Transfer all the operational data into configuration
return new SamplePluginBuilder()
.setPgStreams(operationalData.getPgStreams())
.build();
}
}
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